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    • 1. 发明授权
    • Image recording apparatus having a neutralizing device
    • 具有中和装置的图像记录装置
    • US5983041A
    • 1999-11-09
    • US886279
    • 1997-07-01
    • Noboru OtakiYoshitatsu OkiyamaShinichi MurakamiMasato SakaiKoji IdaShuichiro OgataHiroyuki InoueSyuiti Fujikura
    • Noboru OtakiYoshitatsu OkiyamaShinichi MurakamiMasato SakaiKoji IdaShuichiro OgataHiroyuki InoueSyuiti Fujikura
    • G03G15/16G03G15/00
    • G03G15/169G03G15/6591G03G2215/00497G03G2215/0119G03G2215/021
    • An image recording apparatus includes a rotating photosensitive drum, a developing unit, a neutralizing device, and a transferring device. An electrostatic latent image is formed on a charged surface of the rotating photosensitive drum, the electrostatic latent image being developed by a developing unit and subsequently transferred by a transferring device to a print medium. The neutralizing device neutralizes the charged surface of the photosensitive drum at the point on the surface disposed downstream of the developing unit and upstream of the transferring device with respect to rotation of the photosensitive drum. A controller controls the neutralizing device according to characteristics of the print medium such as size, material, insulation, and transparency. The neutralizing device may be operated in different modes. For example, the neutralizing device may neutralize an entirety of the charged surface of the photosensitive drum only if the print medium is of a predetermined characteristic, i.e., an insulating sheet such as a transparent OHP sheet or may neutralize only selected parts of the charged surface of the photosensitive drum according to a width of the print medium.
    • 图像记录装置包括旋转感光鼓,显影单元,中和装置和转印装置。 在旋转的感光鼓的带电表面上形成静电潜像,静电潜像由显影单元显影,随后由转印装置转印到打印介质上。 中和装置在感光鼓的表面上相对于感光鼓的旋转中和位于显影单元下游的表面上并且在转印装置的上游的位置处中和感光鼓的带电表面。 控制器根据打印介质的特性来控制中和装置,例如尺寸,材料,绝缘和透明度。 中和装置可以以不同的模式操作。 例如,如果打印介质具有预定特性,即绝缘片例如透明OHP片,则中和装置可以中和感光鼓的整个带电表面,或者可以仅中和所充电的表面的所选部分 根据打印介质的宽度。
    • 2. 发明授权
    • Electrophotographic recording apparatus having reverse-charged toner
removing means
    • 具有反向充电调色剂去除装置的电子照相记录装置
    • US5740493A
    • 1998-04-14
    • US554971
    • 1995-11-13
    • Noboru OtakiKazuyoshi YoshidaYoshitatsu OkiyamaMasato SakaiHiroyuki InoueSyuichiro Ogata
    • Noboru OtakiKazuyoshi YoshidaYoshitatsu OkiyamaMasato SakaiHiroyuki InoueSyuichiro Ogata
    • G03G21/10G03G15/01G03G15/02G03G15/06G03G15/16G03G21/00G03G21/14G03G15/00
    • G03G15/0105G03G15/1675G03G21/0064G03G2215/1623G03G2215/1661
    • An electrophotographic recording apparatus that removes reverse-charged toner that is charged with a polarity opposite to a polarity of a normal-charged toner. The apparatus includes a carrier belt; a transfer roller for carrying the toner adhering to the surface of the photosensitive body toward the carrier belt; a transfer power supply for applying to the transfer roller a first voltage that causes the normal-charged toner adhering to the surface of the photosensitive body to be transferred to the recording medium on the carrier belt, and a second voltage, of opposite polarity to the first voltage, that causes the reverse-charged toner adhering to the surface of the photosensitive body to be transferred to the carrier belt; and a carrier belt cleaning blade. A control circuit controls an operation of the transfer power supply, whereby the first voltage is applied to the transfer roller during an image-forming stage, and the second voltage is applied to the transfer roller during a reverse-charged toner removing stage. For example, the normal-charged toner may have a negative polarity, the reverse-charged toner may have a positive polarity, the first voltage may be positive, and the second voltage may be negative.
    • 一种电摄影记录装置,其去除以与正常充电的调色剂的极性相反的极性充电的反向充电的调色剂。 该装置包括一个传送带; 用于将附着在感光体表面上的调色剂传送到传送带的转印辊; 用于向转印辊施加使导致感光体表面附着的正电荷的调色剂被转印到载体带上的记录介质的第一电压的转印电源和与该转印辊相反极性的第二电压 第一电压使得附着在感光体表面上的反向充电调色剂转印到载体带上; 和载体带清洁刮板。 控制电路控制传送电源的操作,由此在成像阶段期间将第一电压施加到转印辊,并且在反向充电的调色剂除去阶段期间将第二电压施加到转印辊。 例如,正常充电的调色剂可以具有负极性,反向充电的调色剂可以具有正极性,第一电压可以是正的,并且第二电压可以是负的。
    • 8. 发明授权
    • Image formation apparatus
    • 图像形成装置
    • US08750731B2
    • 2014-06-10
    • US13354865
    • 2012-01-20
    • Hiroyuki Inoue
    • Hiroyuki Inoue
    • G03G15/00
    • G03G15/50G03G15/5008G03G15/6564G03G2215/00721
    • An image formation apparatus includes an image carrier on which a developer image is to be formed, an image transfer device configured to transfer the developer image formed on the image carrier to a medium at an image transfer position, a controller configured to control drive of the image carrier and the image transfer device, a first medium feeder configured to feed the medium to the image transfer position along a medium conveyance path extending from the first medium feeder to the image transfer position, and a medium detector provided between the first medium feeder and the image transfer position in the medium conveyance path. The controller is configured to control the drive of the image carrier on the basis of a medium-detection result by the medium detector.
    • 图像形成装置包括要在其上形成显影剂图像的图像载体,被配置为将形成在图像载体上的显影剂图像转印到图像转印位置的介质的图像转印装置,被配置为控制图像载体 图像载体和图像转印装置,第一介质供给器,被配置为沿着从第一介质进料器延伸到图像转印位置的介质输送路径将介质输送到图像转印位置,以及介质检测器,设置在第一介质进料器和 介质输送路径中的图像转印位置。 控制器被配置为基于介质检测器的介质检测结果来控制图像载体的驱动。